I've added a new feature called "study pack". It allows you to add decks to your study pack. Then you can get notified every X days whenever Y cards are due for review.
The way to learn things is spaced repetition and coming back regularly.
I've also added the ability to ignore cards.
So far we only have two decks available however:
So excited for when the editor comes out!
Question, does "strength" deteriorate over time?